Rain team, Mega Swamp, RD Zmove Torn

Tornadus (M) @ Flyinium Z
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hurricane
- Rain Dance
- Hidden Power [Water]
- Sludge Bomb

Swampert-Mega @ Swampertite
Ability: Torrent
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Waterfall
- Power-Up Punch
- Earthquake
- Rain Dance

Kingdra @ Choice Specs
Ability: Swift Swim
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Draco Meteor
- Flash Cannon
- Hydro Pump
- Hidden Power [Grass]

Celebi @ Damp Rock
Ability: Natural Cure
EVs: 252 HP / 36 SpA / 220 SpD
Sassy Nature
- Rain Dance
- Stealth Rock
- U-turn
- Psychic

Xurkitree @ Choice Scarf
Ability: Beast Boost
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunder
- Grass Knot
- Volt Switch
- Dazzling Gleam

Togekiss @ Wide Lens
Ability: Serene Grace
EVs: 40 HP / 16 Def / 156 SpA / 44 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Air Slash
- Defog
- Heal Bell
- Dazzling Gleam